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US 4,608,205 AGranted
Polyanionic benzene ureas
AssigneeAmerican Cyanamid Company
InventorsRansom B. Conrow, Seymour Bernstein
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Abstract
Polyanionic benzene ureas and salts thereof useful as complement inhibitors.
Claims2
The compound 4,4-ureylenebis(2-sulfobenzoic acid), disodium salt.
The compound 3,3-(carbonyldiimino)bis(6-hydroxy-5-sulfobenzoic acid), disodium salt.
Dependencies are inferred from the claim text.